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If the user discharges water not supplied by the City to the City sewer system, the metering shall be in accordance with TMC § 929.06.
Based on the metering method used, the following criteria shall be met:
A. Water Meter Only - Shall meet requirements of Chapter 201 of these Rules and Regulations.
B. Two Water Meters - Shall meet requirements of Chapter 201 of these Rules and Regulations and TMC § 929.07 and the following:
1. The second water meter shall be installed in the same location as the primary water meter unless otherwise approved by the Department, in which case a remote register or radio transmitter must be placed near the primary meter.
2. The Division of Water Distribution must approve all plans for all piping connections involving a second water meter.
3. The user shall guarantee, in writing, to the Director, that no change or alterations will be made in the metering procedure as approved by the Department.
4. The user shall allow inspection by the City of the piping system and meter installation during construction, and periodically thereafter, to ensure proper connections and usage.
C. Water Meter Plus Sewage Meter: shall meet the requirements of this Chapter 201 of these Rules and Regulations and TMC § 929.07 and the following:
1. The sewage meter shall measure all user discharge that enters the City sewer system.
2. The sewage meter shall be installed in a location approved by the Department so that convenient and safe access is available for reading and inspection.
3. The Division of Water Reclamation must approve all plans for piping connections involving a sewage meter.
4. The user shall guarantee, in writing, to the Director that the sewage meter will be properly maintained to accurately measure the discharge.
5. The user shall allow inspection by the City of the piping system and meter installation during construction, and periodically thereafter, to ensure proper connections and usage.
Questions pertaining to sewage metering should be directed to the Division of Water Reclamation. Questions pertaining to water metering shall be directed to the Division of Water Distribution. Industrial discharge billing questions should be directed to the Division of Utilities Administration, monthly billing section.
All requests for alternate metering methods for discharge systems are to be presented to the Division of Water Distribution. Only commercial and industrial accounts are subject to this policy. To be eligible for this type of account, the Customer will be required to switch the account to monthly billing.
All new sewer meter installations used for alternate metering must meet, without limitation, the following criteria:
A. The sewage meter shall measure all user discharge that enters the City sewer system.
B. The Division of Water Reclamation must approve all plans for piping connections, meter type, and location, involving a sewage meter. The sewage meter shall be installed to allow convenient access for reading and inspection.
C. The sewage meter must be supplied with a non-resetable totalizer. The totalizer must maintain the reading during power failures. If the reading is resetable in any way or method, then the totalizer must be placed in an enclosure that can be protected by a security seal(s). The enclosure must have a viewing window to allow reading. The Owner must provide the maximum number of digits the totalizer can display, and what units it is reading (Cubic Feet is preferred).
D. The user shall guarantee, in writing, to the Director that the sewage meter will be properly maintained to accurately measure the discharge.
E. The user shall allow inspection by the City of the piping system and meter installation during construction, and periodically thereafter, to ensure proper connections and usage.
A. Sewage meters must be calibrated by an approved contractor or factory representative at regular intervals determined by the Division of Water Reclamation. The Division of Water Reclamation personnel shall be allowed the opportunity to witness the calibration procedure. In addition, a written calibration report must be submitted within thirty (30) days of the procedure. Expenses associated with calibrations are the sole responsibility of the Owner.
B. It has been demonstrated that inline magnetic flow meters are more accurate and allow longer periods between calibrations. Inline magnetic flow meters shall be calibrated at a period not to exceed three (3) years. All other types of sewage meters shall be calibrated annually.
C. If the Director has reason to believe that a sewage meter used for alternate billing purposes is sufficiently in error, a certified calibration may be required at the Owner's expense.
D. Failure to comply within sixty (60) days of being notified in writing of the required calibration may result in sewage usage being calculated on 100% of the incoming water to the Premises back to the last known calibration date.
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